A short line; a notation for extending the range above or below the staff WordNet 3.0 & Open English WordNet

A ledger line or leger line is used in Western musical notation to notate pitches above or below the lines and spaces of the regular musical staff. A line slightly longer than the note head is drawn parallel to the staff, above or below, spaced at the same distance as the lines within the staff. Wikipedia

A tool of musical notation Wikipedia Disambiguation

Muy poco Wikidata

A musical notation to inscribe notes outside the lines and spaces of the regular musical staves; a line slightly longer than the note is drawn parallel to the staff, above or below, spaced at the same distances as the notes within the staff. Wiktionary